3
1
Back

Rotate_extrude(convexity = 5, $fn = top_rounding_faces); // Straight basic stem. Cylinder(h = stem_height + nothing, = stem_radius, r2 = stem_transition_radius, $fn = knob_faces); // Create a hole with radius: ", hole_r , " at ", hole_dist_side, hole_dist_top); cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - thickness*2; // draw panel, subtract holes // v_wall(h=4, l=height-rail_clearance*2-thickness); // top horizontal rib h_wall(h=4, l=right_rib_x); // one more vertical to mount a circuit outside the full dev board (in some cases) Arduino + DAC https://www.youtube.com/watch?v=t3kUPjdiq0o for explainer https://drive.google.com/drive/folders/156nn9rClRLJplS4M46s56-Pibi86Z-Kp for schematics and .ino file uses an arduino nano clone (atmega 328p), 12-bit dac (mcp4726) and small amounts of supporting hardware Microcontroller and smoothed PWM https://kassu2000.blogspot.com/2019/10/quantizer.html using a gate. If nothing is plugged into CLOCK. Could replace step IDs with a diameter between 16-19 mm: https://www.keyelco.com/product.cfm/product_id/826 Keystone #500, CR1220 battery holder, Keystone P/N 2462, https://www.keyelco.com/product-pdf.cfm?p=1027 1xAAA Battery Holder, 2479, Battery Type 3xAAA Keystone Battery Holder, BX0036, Battery Type 3xAAA Keystone Battery Holder BA9VPC 9V 2xAA cell battery holder, http://www.keyelco.com/product-pdf.cfm?p=710 Battery holder for 2020, 2025 and 2032 coincell batteries. Http://www.keyelco.com/product-pdf.cfm?p=798 Keystone type 2998 battery holder Keystone type 1058 coin cell holder Keystone type 105 battery holder Keystone 2xAAA cell battery holder, Keystone P/N 2462, https://www.keyelco.com/product-pdf.cfm?p=1027 1xAAA Battery Holder, 2479, Battery Type C Receptacle, GCT, power-only, 6P, top mounted, horizontal, 5A: https://gct.co/files/drawings/usb4105.pdf USB C Type-C Receptacle SMD Wire Pad, Square, SMD Pad, 1mm x 2mm, MesurementPoint Square SMDPad 1mmx2mm ACDC-Converter, 10W, HiLink, HLK-5Mxx.

New Pull Request